Xiaocao Xu, MD
NPI 1457813834 · Hematology & Oncology Physician · Worcester, MA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Xiaocao Xu, MD is a Hematology & Oncology Physician provider in Worcester, MA (NPI 1457813834).
Provider details
- NPI number
- 1457813834
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 1024471 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 157 Union StMarlborough, MA 01752-1228Phone: (508) 486-6700
Registry dates
- Enumerated
- 2019-04-03
- Last updated
- 2025-07-23
- Certified
- 2025-07-23
Frequently asked questions
- What is Xiaocao Xu's NPI number?
- Xiaocao Xu's National Provider Identifier (NPI) is 1457813834, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Xiaocao Xu's specialty?
- Xiaocao Xu is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Xiaocao Xu located?
- Xiaocao Xu's practice location on file with NPPES is 55 Lake Ave N, Worcester, MA 01655-0002.
- What is Xiaocao Xu's phone number?
- The practice phone number listed in the NPPES registry for Xiaocao Xu is (508) 334-3550.
- Does Xiaocao Xu accept Medicare?
- Xiaocao Xu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Xiaocao Xu's NPI active?
- Yes — Xiaocao Xu's NPI (1457813834) is active in the NPPES registry as of the last update on 2025-07-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.